docs: def _get_prepped_model_field(model_obj, field):
      """
      Gets the value of a field of a model obj that is prepared for the db.
      """
  
      # Get the field
      field = model_obj._meta.get_field(field)
  
      # Get the value
      value = field.get_db_prep_save(getattr(model_obj, field.attname), connection)
  
      # Return the value
      return value